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Rode an Aernario for the first time this week. Did a quick set up, copied fit from my Bianchi Sempre to it and went for a spin.

Felt all kinds of different on the Storck (not in a bad way), most especially when I hit a climb. This was an easy roll after an ergo session earlier, so was already fatigued. However my initial feeling was annoyance, as I thought the bike had been fitted with a compact crankset (and I'd missed that fact when putting it together). Get to the top of a climb only to find it was standard 53/39. Climbing felt a lot more effortless.

Which given it was on a favourite lumpy 45km loop, that I have ridden hundreds of times in all winds directions possible, I'd know if it was simply due to the wind (it wasn't).

Question is: what have people found in relation to steeper ST angles and climbing*?

*my previous experience in bike fitting suggested slacker tended to yield a lot more favourable results, which this flies in the face of.

Haven't got my hands on a plum bob yet, but want to get saddle setback from BB and transfer it over to the Bianchi. And want a power meter on there (hoping Power2Max Type-S hits the Australasia distributor this week) to get some real data.

Don't know about the Aernario specifically, but Storck in general are very much designed around the steep STA, in regards to fork trail and weight distribution... People who need the saddle further behind the BB than intended, tend to mess up the (admittedly very unique design philosophy) steering. I think Storcks are way more sensitive that way than your average run of the mill road bike...

Just to be clear, this is about the slack HTA and longish fork rake, the combo doesn't sit very well with your body being to far behind it and steering may become unneutral.

Haven't got my hands on a plum bob yet, but want to get saddle setback from BB and transfer it over to the Bianchi. And want a power meter on there (hoping Power2Max Type-S hits the Australasia distributor this week) to get some real data.

You don't need a plumb bob.

Just back up the bikes to a wall and measure back to it. Subtraction provides the answer you seek.

_________________There's sometimes a buggy.How many drivers does a buggy have?

One.

So let's just say I'm drivin' this buggy...and if you fix your attitude you can ride along with me.

I think Storcks are way more sensitive that way than your average run of the mill road bike...

Having now ridden one, I can see how there would be a segment of the market that would find the geometry really not to their liking. No different to any other bike, only (as you mentioned) Storck's are a little more unique in the design philosophy.

DMF wrote:

but using a plumb bob and going "Mm-hmm..." whilst you take your measure is just waaay cooler

A few companies experimented with this in the 1980s- Rigi was the most famous for it. They had very steep STAs and also very short chainstays with a very popular wishbone ST designed to give the tire proper clearance. At the time the logic was that putting the rider both more over the rear wheel and over the pedaling axis at the same time. I think the bikes had 77 or 78 degree STAs stock. They also handled like absolute shit.

I don't know about everyone else, but I scoot forward a tad on steep climbs to maintain the same orientation around the pedaling axis. So does almost every pro cyclist. My guess is your seat is more forward of where it normally does and what you are actually seeing is a slightly greater pedaling velocity, but probably less torque due to the decrease in ankle movement over the top of the stroke. Looking at the Storck geo they have a slightly more aggressive STA in my size (57) by .5 degrees and shorter chainstays by about 1CM than most bikes. The very low amount of fork rake probably offsets this trait by adding a ton of trail to stabilize things with such a short wheelbase. I can't imagine liking that part of the geo, but the rest doesn't seem too weird.

_________________Don't take me too seriously. The only person that doesn't hate Froome.GramzStrava

Define "copied fit"....there is no way a steeper STA Is going to effect ur power output so I suspect ur contact points (most importantly ur saddle setback) were not set identically. Tell us how you copied ur contact points and adjusted for reach assuming ur steeper STA resulted in longer reach on "faster" frame. EM3

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